Physics of Semiconductor Devices

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Temperature dependent conductivity

A doped semiconductor makes a transition from extrinsic behavior to intrinsic behavior when number of thermally activated charge carriers equals the number of dopants. What is this temperature for silicon doped with boron at 300000000000000000 cm-3?

Eg is slightly temperature dependent but use Eg = 1.12 eV, Nc = 2.78 × 1025 m-3 and Nv = 9.84 × 1024 m-3 to estimate the transition temperature.

T = K